[ http://jira.codehaus.org/browse/MPJAR-33?page=all ]
Jason van Zyl updated MPJAR-33:
-------------------------------
Assign To: (was: Jason van Zyl)
> jar:install copies jar even when no changes have occurred
> ---------------------------------------------------------
>
> Key: MPJAR-33
> URL: http://jira.codehaus.org/browse/MPJAR-33
> Project: maven-jar-plugin
> Type: Improvement
> Versions: 1.6
> Environment: Linux/Windows
> Reporter: Colin Saxton
>
> Original Estimate: 2 minutes
> Remaining: 2 minutes
>
> jar:install copies the built jar from the target area to the local repository
> even if the jar has no changes. This can cause a snowball effect on builds if
> you are using the reactor for instance. When testing a large project (before
> a release) it can be cumbersome since the build time is increased
> significantly.
> As an example, I currently use the reactor to build 26 separate jars with all
> of them dependent on the base component. if I change one of them and then
> re-run the build it builds everything because the base jar is being copied
> back into the repository even if I don' change it. This causes the reactor to
> build all of the other jars and so-forth.
> All that is needed is to change the jar:install copy line...remove the
> overwrite attribute and the builds speed up...It doesn't break anything
> either since you can alway runs a clean before a major build but when testing
> you can just keep running maven without the clean...you would be saving a lot
> of disk activity around the world by removing the overwrite attribute.
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